V. Roman

activity

20162024

most citedCreating small circular, elliptical, and triangular droplets of quark-gluon plasma

317 citations · 1k across the 48 of their papers we have counts for

collaborators

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30 papers · 1 filter

hep-ex2023★ 4 cited

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p$ + $p$ , $p$ +Al, and $p$ +Au collisions at $s_{N N} = 200$ GeV}

N. J. Abdulameer, U. Acharya, C. Aidala +319

Reported here are transverse single-spin asymmetries ( $A_{N}$ ) in the production of charged hadrons as a function of transverse momentum ( $p_{T}$ ) and Feynman- $x$ ( $x_{F}$ ) in polarize…

hep-ex2023

Transverse single-spin asymmetry of midrapidity $π^{0}$ and $η$ mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} =$ 200 GeV

N. J. Abdulameer, U. Acharya, C. Aidala +319

Presented are the first measurements of the transverse single-spin asymmetries ( $A_{N}$ ) for neutral pions and eta mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} = 200$ Ge…

hep-ex2022

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $s = 200$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +321

Polarized proton-proton collisions provide leading-order access to gluons, presenting an opportunity to constrain gluon spin-momentum correlations within transversely polarized pro…

hep-ex2022

Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at $s = 510$ GeV in $p + p$ Collisions

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +358

We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $p + p$ collisions at $s = 510$ GeV. The measureme…

hep-ex2021★ 2 cited

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized $p + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +307

In 2015, the PHENIX collaboration has measured single-spin asymmetries for charged pions in transversely polarized proton-proton collisions at the center of mass energy of $\sqrt{s…

hep-ex2021★ 4 cited

Transverse single spin asymmetries of forward neutrons in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV as a function of transverse and longitudinal momenta

U. A. Acharya, C. Aidala, Y. Akiba +308

In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collision data at center of mass energies of $\sqrt{s_{_{NN}}}=20…

hep-ex2021★ 24 cited

Kinematic dependence of azimuthal anisotropies in $p$ $+$ Au, $d$ $+$ Au, $^{3}$ He+Au at $s_{_{N N}}$ = 200 GeV

U. A. Acharya, A. Adare, C. Aidala +378

There is strong evidence for the formation of small droplets of quark-gluon plasma in $p / d /^{3}$ He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$ + $p$ /Pb col…

hep-ex2021★ 16 cited

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in $p^{↑} + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +308

Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidi…

hep-ex2020★ 5 cited

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

In 2015, the PHENIX collaboration has measured very forward ( $η > 6.8$ ) single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus colli…

hep-ex2020★ 8 cited

Production of $π^{0}$ and $η$ mesons in U $+$ U collisions at $s_{_{N N}} = 192$ GeV

U. Acharya, C. Aidala, N. N. Ajitanand +399

The PHENIX experiment at the Relativistic Heavy Ion Collider measured $π^{0}$ and $η$ mesons at midrapidity in U $+$ U collisions at $s_{_{N N}} = 192$ GeV in a wide transverse mom…

hep-ex2020

Production of $b b ˉ$ at forward rapidity in $p$ + $p$ collisions at $s = 510$ GeV

U. Acharya, A. Adare, C. Aidala +347

The cross section of bottom quark-antiquark ( $b b ˉ$ ) production in $p$ + $p$ collisions at $s = 510$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion C…

hep-ex2020★ 5 cited

Polarization and cross section of midrapidity J/ $ψ$ production in proton-proton collisions at $s = 510$ GeV

U. Acharya, A. Adare, C. Aidala +347

The PHENIX experiment has measured the spin alignment for inclusive $J / ψ \to e^{+} e^{-}$ decays in $p$ + $p$ collisions at $s = 510$ GeV at midrapidity. The angular distr…

hep-ex2020★ 11 cited

Measurement of jet-medium interactions via direct photon-hadron correlations in Au $+$ Au and $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. Acharya, A. Adare, S. Afanasiev +574

We present direct photon-hadron correlations in 200 GeV/A Au $+$ Au, $d$ $+$ Au and $p$ $+$ $p$ collisions, for direct photon $p_{T}$ from 5--12 GeV/ $c$ , collected by the PHENIX Collaborat…

hep-ex2019★ 10 cited

$J / ψ$ and $ψ (2 S)$ production at forward rapidity in $p$ + $p$ collisions at $s = 510$ GeV

U. A. Acharya, A. Adare, C. Aidala +357

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive $J…

hep-ex2019★ 25 cited

Measurement of $J / ψ$ at forward and backward rapidity in $p$ + $p$ , $p$ $+ A$ l, $p$ $+ A$ u, and $^{3}$ He+Au collisions at $s_{_{N N}} = 200 GeV$

U. A. Acharya, A. Adare, C. Aidala +358

Charmonium is a valuable probe in heavy-ion collisions to study the properties of the quark gluon plasma, and is also an interesting probe in small collision systems to study cold…

hep-ex2019★ 24 cited

Nuclear-modification factor of charged hadrons at forward and backward rapidity in $p$ $+$ Al and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +300

The PHENIX experiment has studied nuclear effects in $p$ $+$ Al and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV on charged hadron production at forward rapidity ( $1.4 < η < 2.4$ , $…

hep-ex2018★ 8 cited

Nonperturbative transverse momentum broadening in dihadron angular correlations in $s_{N N} = 200$ GeV proton-nucleus collisions

C. Aidala, Y. Akiba, M. Alfred +296

The PHENIX collaboration has measured high- $p_{T}$ dihadron correlations in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV. The correlations arise from in…

hep-ex2018★ 4 cited

Correlations of $μμ$ , $e μ$ , and $ee$ pairs in $p$ + $p$ collisions at $s = 200$ GeV and implications for $c c ˉ$ and $b b ˉ$ production mechanisms

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX has measured the azimuthal correlations of muon pairs from charm and bottom semi-leptonic decays in $p$ + $p$ collisions at $s = 200$ GeV, using a novel analysis techniqu…

hep-ex2018

Production of $π^{0}$ and $η$ mesons in Cu $+$ Au collisions at $s_{_{N N}}$ =200 GeV

C. Aidala, N. N. Ajitanand, Y. Akiba +401

Production of $π^{0}$ and $η$ mesons has been measured at midrapidity in Cu $+$ Au collisions at $s_{_{N N}}$ =200 GeV. Measurements were performed in $π^{0} (η) \to γ γ$ decay…

hep-ex2018★ 20 cited

Low-momentum direct photon measurement in Cu $+$ Cu collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +447

We have measured direct photons for $p_{T} < 5$ GeV/ $c$ in minimum bias and 0\%--40\% most central events at midrapidity for Cu $+$ Cu collisions at $s_{_{N N}} = 200$ GeV. The $e^{+…

hep-ex2018★ 8 cited

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in $p + p$ collisions at $s = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +291

Dihadron and isolated direct photon-hadron angular correlations are measured in $p$ $+$ $p$ collisions at $s = 200$ GeV. The correlations are sensitive to nonperturbative initia…

hep-ex2018★ 47 cited

Measurements of $μμ$ pairs from open heavy flavor and Drell-Yan in $p + p$ collisions at $s = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +290

PHENIX reports differential cross sections of $μμ$ pairs from semileptonic heavy-flavor decays and the Drell-Yan production mechanism measured in $p$ $+$ $p$ collisions at $\sqrt{s}=…

hep-ex2018★ 21 cited

Single-spin asymmetry of $J / ψ$ production in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions with transversely polarized proton beams at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +289

We report the transverse single-spin asymmetries of $J / ψ$ production at forward and backward rapidity, $1.2 < ∣ y ∣ < 2.2$ , as a function of $J / ψ$ transverse momentum ( $p_{T}$ ) and Feynman…

hep-ex2018★ 21 cited

Cross section and longitudinal single-spin asymmetry $A_{L}$ for forward $W^{\pm} \to μ^{\pm} ν$ production in polarized $p$ $+$ $p$ collisions at $s = 510$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +426

We have measured the cross section and single spin asymmetries from forward $W^{\pm} \to μ^{\pm} ν$ production in longitudinally polarized $p$ $+$ $p$ collisions at $\sqrt{s}=51…

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized p+p, p+Al, and p+Au collisions at sNN​​=200 GeV}

Transverse single-spin asymmetry of midrapidity π0 and η mesons in p+Au and p+Al collisions at sNN​​​= 200 GeV

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in p↑+p collisions at s​=200 GeV

Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at s​=510 GeV in p​+p​ Collisions

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized p+p collisions at s​=200 GeV

Transverse single spin asymmetries of forward neutrons in p+p, p+Al, and p+Au collisions at sNN​​​=200 GeV as a function of transverse and longitudinal momenta

Kinematic dependence of azimuthal anisotropies in p+Au, d+Au, 3He+Au at sNN​​​ = 200 GeV

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in p↑+p collisions at s​=200 GeV

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized p+p collisions at s​=200 GeV

Production of π0 and η mesons in U+U collisions at sNN​​​=192 GeV

Production of bbˉ at forward rapidity in p+p collisions at s​=510 GeV

Polarization and cross section of midrapidity J/ψ production in proton-proton collisions at s​=510 GeV

Measurement of jet-medium interactions via direct photon-hadron correlations in Au+Au and d+Au collisions at sNN​​​=200 GeV

J/ψ and ψ(2S) production at forward rapidity in p+p collisions at s​=510 GeV

Measurement of J/ψ at forward and backward rapidity in p+p, p+Al, p+Au, and 3He+Au collisions at sNN​​​=200 GeV

Nuclear-modification factor of charged hadrons at forward and backward rapidity in p+Al and p+Au collisions at sNN​​​=200 GeV

Nonperturbative transverse momentum broadening in dihadron angular correlations in sNN​​=200 GeV proton-nucleus collisions

Correlations of μμ, eμ, and ee pairs in p+p collisions at s​=200 GeV and implications for ccˉ and bbˉ production mechanisms

Production of π0 and η mesons in Cu+Au collisions at sNN​​​=200 GeV

Low-momentum direct photon measurement in Cu+Cu collisions at sNN​​​=200 GeV

Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in p+p collisions at s​=200 GeV

Measurements of μμ pairs from open heavy flavor and Drell-Yan in p+p collisions at s​=200 GeV

Single-spin asymmetry of J/ψ production in p+p, p+Al, and p+Au collisions with transversely polarized proton beams at sNN​​​=200 GeV

Cross section and longitudinal single-spin asymmetry AL​ for forward W±→μ±ν production in polarized p+p collisions at s​=510 GeV